2 years ago

Which of the following is the sum of 1/2 and -2/3

Mathematics

1 answer:

Lilit [14]2 years ago

4 0

Answer:

- 1/6

Step-by-step explanation:

find the common denominators 3/6 - 4/6 = - 1/6

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Divide and find quotient<br>(a⁴-b⁴) ÷ (a+b)<br>(step by step explanation)

lakkis [162]

Answer:

Step-by-step explanation:

(a⁴-b⁴)/(a-b)

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=(a²+b²)(a²-b²)/(a-b)

=(a²+b²)(a+b)(a-b)/(a-b)

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11 months ago

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2 years ago

1. Factor the trinomial: x2 - 7x - 8

telo118 [61]

1. A

-8+1=7 and 8*1=8

2. A

-5*8= -40 and 8-5= 3

7 0

2 years ago

Solve for me pls :)

I am Lyosha [343]

Answer:

Step-by-step explanation:

$f(x) = \frac{3}{x + 2} - \sqrt{x - 3} \\$

To find f(19) , substitute the value of x that's 19 into f(x). That is for every x in f (x) replace it with 19

We have

$f(19) = \frac{3}{19 + 2} - \sqrt{19 - 3} \\ = \frac{3}{21} - \sqrt{16} \\ = \frac{1}{7} - 4 = \frac{1 - 28}{7}$

We have the final answer as

$f(19) = - \frac{27}{7} \\$

Hope this helps you

8 0

2 years ago

If 8 and 15 are sides to a right triangle, whats the missing side?

mr Goodwill [35]

Answer:

Step-by-step explanation:

a[2]+b[2]=c[2]

8*8+15*15=hypotenuse.

64+225=289

$\sqrt{x} 289$

hypotenuse=17

6 0

2 years ago